Alfred A. Richman, who had opened a "private sanitarium at 50 West Seventy-fourth Street" in 1925,[1] subsequently "founded Manhattan General Hospital".

The first occupant of 161 East 90th Street was Pan American Hospital, which was intended "to serve the Latin-American people through their own Spanish and Portuguese-speaking doctors and nurses.

[10] The roots of Beth David Hospital can be traced to the incorporation on November 29, 1886, of the Yorkville Dispensary for Women and Children, located at 246-248 East 82nd Street.

[11] Beth David Hospital celebrated for an entire week in June 1913 after having moved to a newly built facility.

782–783 Manhattan General merged with Mount Sinai Beth Israel in 1964[2] and closed; the MGH buildings became co-op apartments.